Hifonics BRX12D4 Manual 

Congratulations on your purchase of the new Hifonics BRUTUS Series subwoofer. The BRX subwoofers have been built for stunning sound quality as well as powerful bass. As with all high quality car audio products, we recommend professional installation by an authorized Hifonics dealer. Your dealers knowledge and experience can ensure a problem free and cosmetically integrated installation. If you choose to install the subwoofers yourself, please read the entire manual very carefully. 12” Round Subwoofers Heavy Duty Woven Texture Polypropylene Cone & Injection Molded Dust Cap ABS Trim Ring With Illumination UV Resistant Butyl Rubber Surround Dual Resin Infused Textile Spiders Powder Coated Deep Draw Stamped Steel Basket 2.5” High Temp Voice Coil DVC 4-Ohm Push & Insert Style Speaker Terminals 56 oz Vented Motor Heavy Duty ABS Protective Motor CAP

- + SERIES COILS 1+ 1- 2- 2+ 8-Ohms SERIES COILS / PARALLEL SUBS 1+ 1- 2- 2+ - + - + 1+ 1- 2- 2+ 2.66-Ohms - + 1+ 1- 2- 2+ 1 2 3 SERIES COILS / PARALLEL SUBS 1+ 1- 2- 2+ - + - + 1+ 1- 2- 2+ 2-Ohm 1 2 - + 1+ 1- 2- 2+ 3 - + 1+ 1- 2- 2+ 4 PARALLEL COILS - + 1+ 1- 2- 2+ 2-Ohms 1+ 1- 2- 2+ SERIES COILS / PARALLEL SUBS - + - + 1+ 1- 2- 2+ 4-Ohms 1 2 PARALLEL COILS / PARALLEL SUBS 1+ 1- 2- 2+ - + - + 1+ 1- 2- 2+ 1-Ohm 1 2 ILLUMINATION WIRING + SMALLER PUSH & INSERT TERMINALS - 1. Connect the LED + RED terminal to an accessory switched 12 volt wire. This wire should have +12V when the ignition key is “on” and 0 volts when the ignition key is “off”. You can use a toggle switch in line on this wire to manual turn the illumination off if desired and this 12V+ wire must have a 5 amp fuse in line. 2. Connect the LED - BLACK terminal to chassis ground.

energy or ratio of reactive to resistive energy). Fs Free air resonance of driver in Hz. Qms Mechanical Q. Vas Volume of air equivalent to driver from the rest position. Cms Mechanical compliance of a loud speaker piston. Mms Moving mass of total loud speaker piston assembly. Xmax The maximum linear excursion of a loud speaker. Sd Surface area of the cone. Dia The piston diameter of a loud speaker. Qes Electrical Q of a system. Re DC resistance. Le VC inductance. Pe Maximum input power. Qts Total Q of the system. Sens Sensitivity. An efficiency measurement in dB’s. Vc Volume of a closed or sealed enclosure Vb Volume of a vented enclosure. Fc The resonant frequency of a closed or sealed system Fb The resonant frequency of a vented system F3 The half-power (-3dB) frequency of a loud speaker enclosure Qtc The Q of a loud speaker at Fc in a closed box, considering both it’s electrical and mechanical resistance. QL The Q of a vented box, resulting from all box losses. DV Diameter of vent. LV Length of vent. H Height. W Width. D Depth Glossary of Terms

144.5mm / 5.69” 185.6mm / 7.31” HIFONICS UNIVERSAL SUBWOOFERS